#-------------------------------------------------------------
#
# (C) Copyright IBM Corp. 2010, 2015
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#-------------------------------------------------------------


args <- commandArgs(TRUE)
options(digits=22)

library("Matrix")

V = as.matrix(readMM(paste(args[1], "V.mtx", sep="")))
n = ncol(V); 
R = matrix(0, 1, n);

iter = 1;
while( iter <= 3 )
{
   if( as.integer(args[3])==1 )
   {
      V = V * iter;
   }
   
   for( i in 1:ncol(V) )
   {
      Xi = V[,i];
      R[1,i] = R[1,i] + sum(Xi);
   }
   
   iter = iter+1;
}

writeMM(as(R, "CsparseMatrix"), paste(args[2], "R", sep="")); 